Looking at your message log message, it appears that your connection to directory authorities are hindered. That is also why you can run Tor browser. Once the connection to Directory authorities are hindered, you can not start any new instances of Tor, but if you have older instances of Tor, it will work for a while beacuse it uses the cache. To solve this paticular problem there are some options, try them and verify which one best works for your situation.
Use a bridge. This way if direct connection to directory authorities is not possible, the directory authorities try to connect using a bridge.
Use Obfsproxy bridges. If the use of regular bridges are also hindered, then this is your next option.
If The use of VPN service is allowed in your community, you may use that to connect to Tor. The preferancepreference is to use a free VPN so that you leave no money trail. The other advantage of this method is that your ISP or whoever is blocking youyour connection to the directory authorities would have difficulty figureing out you have connected to Tor. However, the VPN service you use would know that. Thus, it is best to choose a VPN service out of your area which is not under control or influence of your ISP or whoever is blocking your connection to directory authorities.
Use a Web proxy to connect to Tor. Use same precautions described in option 3.
You may use any combinations of options 1 to 4. For example you may connect to following services in sequence: VPN1, VPN2, Web proxy1, Web proxy2, Tor. you may even add a web proxy or VPN after Tor in addition to before Tor if you wish.
There are also other ways, but, let us stick with the above methods for the purpose of keeping this article brief.